71633031
Jul 25, 1952
Jul 28, 1953
CHEMICAL COMPOSITION IN LIQUID, IN SEMI-LIQUID, AND IN DRY FORMS PREPARED AS AN INTEGRAL MIX FOR ADMIXTURE WITH CEMENT MORTAR TO PREDETERMINE THE SETTING TIME, TO CURE, AND TO WATERPROOF THE CEMENT MORTAR WITH WHICH IT IS TO BE ADMIXED
Metal Goods